Tire tread



FIG. 1 is a right side perspective view of a tire tread showing our new design, it being understood that the tread pattern is repeated throughout the circumference of the tire tread, the opposite side being substantially the same as that shown;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view of the right side thereof, the opposite side being a mirror image thereof; and,

FIG. 4 is an enlarged fragmentary front elevational view of FIG. 2. 

The ornamental design for a tire tread, as shown and described. 